Surviving Heaven & Hell members Tony Iommi, Vinnie Appice, and Geezer Butler took part in a special tribute to their fallen bandmate, legendary Black Sabbath, Rainbow, Dio vocalist Ronnie James Dio last weekend. The tribute took place at the High Voltage festival in London, England. The band was joined by Deep Purple and Black Sabbath bassist Glenn Hughes, and Masterplan vocalist Jorn Lande. Watch footage of the event below.